Home / 46,499.78-64,137.21-30,579.14

Finding the Fourth Proportional to 46,499.78, 64,137.21 and 30,579.14

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Solution

The fourth proportional to 46,499.78, 64,137.21 and 30,579.14 is: 42,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,499.78 : 64,137.21 = 30,579.14 : x
  2. Step 2: Convert to fraction form
    46,499.78/64,137.21 = 30,579.14/x
  3. Step 3: Cross multiply
    46,499.78x = 64,137.21 × 30,579.14
  4. Step 4: Simplify right side
    46,499.78x = 1,961,260,723.80
  5. Step 5: Solve for x
    x = 1,961,260,723.80/46,499.78
  6. Step 6: Final answer
    x = 42,177.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.